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SOT143 Polarity Pin

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ejkreiner View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote ejkreiner Quote  Post ReplyReply Direct Link To This Post Topic: SOT143 Polarity Pin
    Posted: 23 Apr 2014 at 6:16am

I am building a SOT143 package and when I calculate the footprint the larger pad for polarity is on Pin 1.

I need to change it to Pin 2 and I thought previously FPE had that functionality added but I am not seeing how I can change the polarity. 

Can you advise?

Thanks,
Ernie

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Tom H View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 6:20am

Did you try the "Mirror" feature?


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Post Options Post Options   Thanks (1) Thanks(1)   Quote ejkreiner Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 6:37am
I did Tom.  Polarity needs to be on pin 2, which is lower left as you are seeing the footprint preview.

I have tried every combination of L/R/U/D and mirror and get  the polarity set on the LL where I want it, but when I redorder the pins the polarity pad is flipping to the UR pin and the pin number reorder themselves from 1-4 CCW with pin 1 UL to to 1-4 CW with pin one now LL and polarity pad on pin 3.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Jeff.M Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 6:39am
After building the part left-click on the pin you want to be the new pin one.  Then right-click and select 'Reorder Pins'.
Left-click on the pins in the order you want them to increment.
Right-click and select 'Done Reordering' and save or build.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote ejkreiner Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 6:47am
Jeff, when I calculate the part the pin order is set the way it needs to be.  Pin one is upper left in the preview window and the pins increment 2-4 counterclockwise.  Pin 1 has the larger polarity pad.  I need the polarity pad to be on pin 2. It seems to be blind luck using mirror/orientation buttons to get the larger pad on the lower left pin. When I do that and try to reorder the pins back to where they need to be it goes haywire.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote ejkreiner Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 6:53am
I have captured screenshots of what it is doing.  Is there a way to upload them here or can I email them to you?
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Jeff.M Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2014 at 7:10am
email to: jeff.mellquist*at*pcblibraries*dot*com
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Post Options Post Options   Thanks (1) Thanks(1)   Quote ptkvgl Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jan 2015 at 7:03am
Hello!
Did you get this problem solved?
I've got the same one and can't understand how to use the "Reorder Pins" functionality...
I would like to generate a "SC-82AB" footprint. Unfortunately I can't get pin 1 (small) and pin 2 (large) placed according to the datasheet...
Please could you tell me, what am I doing wrong?

Thanx in advance...
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Post Options Post Options   Thanks (2) Thanks(2)   Quote Tom H Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jan 2015 at 8:57am

This is fixed in V2015.06. This is a SOT143 Reverse.

  1. Select the Mirror Icon in the toolbar
  2. Select the pin that you want Pin 1
  3. RMB select Reorder Pins
  4. Then Rotate the part "Right"
  5. Select Build
  6. Add to FPX

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Post Options Post Options   Thanks (1) Thanks(1)   Quote ptkvgl Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jan 2015 at 12:45am
Hi Tom,
In fact, pretty easy...

Thank you very much and have a nice day...
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